Home / 1,327.24-1,830.81-933.58

Finding the Fourth Proportional to 1,327.24, 1,830.81 and 933.58

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Solution

The fourth proportional to 1,327.24, 1,830.81 and 933.58 is: 1,287.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327.24 : 1,830.81 = 933.58 : x
  2. Step 2: Convert to fraction form
    1,327.24/1,830.81 = 933.58/x
  3. Step 3: Cross multiply
    1,327.24x = 1,830.81 × 933.58
  4. Step 4: Simplify right side
    1,327.24x = 1,709,207.60
  5. Step 5: Solve for x
    x = 1,709,207.60/1,327.24
  6. Step 6: Final answer
    x = 1,287.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.